@article{TUW-138331,
author = {Kappel, Gerti and Kapsammer, Elisabeth and Retschitzegger, Werner},
title = {Integrating XML and Relational Database Systems},
journal = {World Wide Web Journal (WWWJ)},
year = {2004},
volume = {7},
number = {4},
pages = {343--384},
url = {http://www.big.tuwien.ac.at/research/publications/2003/1203.pdf}
}